Device and method for ultrasonic tissue excision with tissue selectivity
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United States of America Patent
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Issued Date -
Oct 30, 2003
app pub date -
Apr 30, 2002
filing date -
Apr 30, 2002
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A surgical method utilizes a cutting blade having a thickness along a cutting edge of between about 0.0005 inch and about 0.020 inch and preferably between about 0.001 inch and 0.010 inch. The blade is moved in contact with relatively hardly tissues which are disposed adjacent to softer tissues at a surgical site in a patient. The blade is ultrasonically vibrated during the moving of the blade, whereby the hard tissue is cut with a modicum of damage being inflicted on the soft tissue.
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